<template>
  <div>
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片 -->
    <el-card>
      <el-row :gutter="20">
        <el-col :span="7">
          <el-input placeholder="请输入内容" v-model="userInfo.query" clearable @clear="getUserList">
            <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
          </el-input>
        </el-col>
        <el-col :span="17">
          <el-button type="primary" @click="addDialogVisible=true">添加用户</el-button>
        </el-col>
      </el-row>
      <el-table border stripe :data="userlist">
        <el-table-column label="#" type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态" prop="mg_state">
          <template v-slot='scope'>
            <el-switch v-model="scope.row.mg_state" @change="changeSwich(scope.row)"></el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">
          <template slot-scope="scope">

            <el-button type="primary" icon="el-icon-edit" size='mini' @click="showEditDialog(scope.row.id)"></el-button>
            <el-button type="danger" icon="el-icon-delete" size='mini' @click="removeUserById(scope.row.id)">
            </el-button>
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size='mini' @click="setRole(scope.row)">
              </el-button>
            </el-tooltip>

          </template>

        </el-table-column>
      </el-table>

      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="userInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="userInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>
    </el-card>
    <!-- 对话框关闭之后，重置表达 -->

    <!-- 用户对话框 -->
    <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="30%" @close="addDialogClosed">
      <el-form :model="addform" ref="addFormRef" :rules='addFormRules' label-width="80px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addform.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addform.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addform.email"></el-input>
        </el-form-item>
        <el-form-item label="手机" prop="mobile">
          <el-input v-model="addform.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改对话框 -->
    <el-dialog title="编辑" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
      <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="editForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" pror="email">
          <el-input v-model="editForm.email"></el-input>
        </el-form-item>
        <el-form-item label="用户名" pror="mobile">
          <el-input v-model="editForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserinfo">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 对话框分配角色 -->
    <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
      <div>
        <p>当前的用户:{{userInfo.username}}</p>
        <p>当前的角色:{{userInfo.role_name}}</p>
        <p>分配新角色
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option v-for="item in rolesList" :key="item.id" :label="item.roleName" :value="item.id">
            </el-option>
          </el-select>
        </p>
      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  data () {
    var checkEmail = (rule, value, cb) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        return cb()
      }
      // 返回一个错误提示
      cb(new Error('请输入合法的邮箱'))
    }
    // 验证手机号码的规则
    var checkMobile = (rule, value, cb) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        return cb()
      }
      // 返回一个错误提示
      cb(new Error('请输入合法的手机号码'))
    }
    return {
      setRoleDialogVisible: false,
      editFormRules: {
        email: [
          { required: true, message: '请输入邮箱', trigger: 'blur' },
          {
            validator: checkEmail,
            message: '邮箱格式不正确，请重新输入',
            trigger: 'blur'
          }
        ],
        mobile: [
          { required: true, message: '请输入手机号码', trigger: 'blur' },
          {
            validator: checkMobile,
            message: '手机号码不正确，请重新输入',
            trigger: 'blur'
          }
        ]
      },
      editForm: {
        username: '',
        email: '',
        mobile: ''
      },
      addDialogVisible: false,
      editDialogVisible: false,
      addform: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          {
            min: 3,
            max: 10,
            message: '用户名在3~10个字符之间',
            trigger: 'blur'
          }
        ],
        password: [{ required: true, message: '密码', trigger: 'blur' }, {
          min: 3,
          max: 10,
          message: '密码在6~16个字符之间',
          trigger: 'blur'
        }],
        email: [{ required: true, message: '请输入邮箱', trigger: 'blur' }, {
          validator: checkEmail, trigger: 'blur'

        }],
        mobile: [{ required: true, message: '请输入手机号', trigger: 'blur' }, { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 把proams的值放到这里发送ajax很方便
      userInfo: {
        query: '', // 关键字
        pagenum: 1, // 当前页数
        pagesize: 3// 每条页的数据
      },
      // 分页
      total: 0,
      // 遍历
      userlist: [],
      // 保存所有的角色信息
      rolesList: [],
      // 保存用户选中的角色id
      selectedRoleId: ''
    }
  },

  methods: {
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = {}
    },
    // 确定按钮。分配新角色
    async saveRoleInfo () {
      if (!this.selectedRoleId) {
        return this.$message.error('请输入要选者的新角色')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`,
        {
          rid: this.selectedRoleId
        }
      )
      console.log(res)
      if (res.meta.status !== 200) {
        return this.$message.error('更新角色列表失败')
      }
      this.$message.success('更新角色列表成功')
      this.getUserList()
      this.setRoleDialogVisible = false
    },

    // 分配角色对话框
    async setRole (userInfo) {
      this.userInfo = userInfo
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败')
      }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    async removeUserById (id) {
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm(
        '此操作将永久删除该用户, 是否继续?',
        '提示',
        {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }
      ).catch(err => err)

      // 如果用户确认删除，则返回值为字符串 confirm
      // 如果用户取消了删除，则返回值为字符串 cancel
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已取消删除')
      }

      const { data: res } = await this.$http.delete('users/' + id)

      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败！')
      }

      this.$message.success('删除用户成功！')
      this.getUserList()
    },
    editUserinfo () {
      // 用户点击修改表单中的确定按钮之后，验证表单数据
      this.$refs.editFormRef.validate(async valid => {
        if (!valid) return this.$message.error('请填写完整用户信息')
        // 发送请求完成修改用户的操作
        const { data: res } = await this.$http.put(
          'users/' + this.editForm.id,
          {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          }
        )
        // 判断如果修改失败，就做提示
        if (res.meta.status !== 200) return this.$message.error('更新用户信息失败！')
        // 修改成功的提示
        this.$message.success('更新用户信息成功！')
        // 关闭对话框
        this.editDialogVisible = false
        // 重新请求最新的数据
        this.getUserList()
      })
    },
    editDialogClosed () {
      // 对话框关闭之后，重置表达
      this.$refs.editFormRef.resetFields()
    },
    async showEditDialog (id) {
      // 发送请求根据id获取用户信息
      const { data: res } = await this.$http.get('users/' + id)
      // 判断如果添加失败，就做提示
      if (res.meta.status !== 200) return this.$message.error('获取用户信息失败')
      // 将获取到的数据保存到数据editForm中
      this.editForm = res.data
      // 显示弹出窗
      this.editDialogVisible = true
    },

    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        if (!valid) {
          return this.$message.error('请填写完整用户信息')
        }
        // 发送请求完成添加用户的操作
        const { data: res } = await this.$http.post('users', this.addform)
        // 判断如果添加失败，就做提示
        if (res.meta.status !== 201) {
          return this.$message.error('添加用户失败')
        }
        // 添加成功的提示
        this.$message.success('添加用户成功')
        // 关闭对话框
        this.addDialogVisible = false
        // 重新请求最新的数据
        this.getUserList()
      })
    },
    addDialogClosed () {
      this.$refs.addFormRef.resetFields()
    },
    async changeSwich (row) {
      console.log(row)
      const { data: res } = await this.$http.put(`users/${row.id}/state/${row.mg_status}`)
      if (res.meta.status !== 200) {
        row.mg_status = !row.mg_status
        this.$message.error('失败')
      }
      this.$message.success('成功')
    },
    handleSizeChange (newSize) {
      this.userInfo.pagesize = newSize
      this.getUserList()
    },
    handleCurrentChange (newPage) {
      this.userInfo.pagenum = newPage
      this.getUserList()
    },
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.userInfo })
      this.total = res.data.total
      console.log(this.total)
      this.userlist = res.data.users
      console.log(res.data)
    }

  },
  computed: {},
  watch: {},
  filters: {},
  components: {},
  created () {
    this.getUserList()
  },
  mounted () { }
}
</script>

<style scoped lang='less'>
</style>
